Comment Comment by jolmg > Or is that biased by having seen wavelengths?You don't need to. They probably mean how rounded objects tend roll or slide, and spiky objects tend to scrape at most or dig into a crevice and so abruptly stop with a shorter sound. parent jolmg 13 days ago
You don't need to. They probably mean how rounded objects tend roll or slide, and spiky objects tend to scrape at most or dig into a crevice and so abruptly stop with a shorter sound.